DATASHEET
ISL43L420
Ultra Low ON-Resistance, +1.1V to +4.5V Single Supply, Quad SPDT (Dual
DPDT) Analog Switch
FN6098
Rev 1.00
February 18, 2005
The Intersil ISL43L420 device is a low ON-resistance, low
voltage, bidirectional, Quad SPDT (Dual DPDT) analog
switch designed to operate from a single +1.1V to +4.5V
supply. Targeted applications include battery-powered
equipment that benefit from low RON (0.24 and fast
switching speeds (tON = 8ns, tOFF = 5ns). The digital logic
input is 1.8V logic-compatible when using a single +3V supply.
Features
Cell phones, for example, often face ASIC functionality
limitations. The number of analog input or GPIO pins may be
limited and digital geometries are not well suited to analog
switch performance. This part may be used to “mux-in”
additional functionality while reducing ASIC design risk. The
ISL43L420 is offered in a small form factor package,
alleviating board space limitations.
• RON Matching between Channels . . . . . . . . . . . . . . . . .0.05
The ISL43L420 is a committed Quad SPDT that consists of
four normally open (NO) and four normally (NC) switches.
This configuration can also be used as a diff dual 2-to-1
multiplexer/demultiplexer or a dual 2-to1
multiplexer/demultiplexer. The ISL43L420 is pin compatible
with the STG3699.
TABLE 1. FEATURES AT A GLANCE
ISL43L420
Number of Switches
4
SW
Quad SPDT (Dual DPDT)
4.3V RON
0.24
4.3V tON/tOFF
8ns/5ns
3.0V RON
0.26
3.0V tON/tOFF
10ns/7ns
1.8V RON
0.45
1.8V tON/tOFF
18ns/10ns
Packages
16 Ld 3x3 QFN
• Drop in Replacement for the STG3699
• ON Resistance (RON)
- V+ = +4.3V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.24
- V+ = +3.0V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.26
- V+ = +1.8V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.45
• RON Flatness Across Signal Range . . . . . . . . . . . . . . .0.05
• Single Supply Operation. . . . . . . . . . . . . . . . . +1.1V to +4.5V
• Low Power Consumption (PD). . . . . . . . . . . . . . . . . . 9kV
HBM NOX, NCX, INX, V+, GND . . . . . . . . . . . . . . . . . . . . . . .>4kV
MM COMX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .>500V
MM NOX, NCX, INX, V+, GND . . . . . . . . . . . . . . . . . . . . . . .>300V
CDM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .>1000V
Thermal Resistance (Typical, Note 2)
JA (°C/W)
16 Ld 3x3 QFN Package . . . . . . . . . . . . . . . . . . . . .
75
Maximum Junction Temperature (Plastic Package). . . . . . . . 150°C
Maximum Storage Temperature Range . . . . . . . . . . . . . -65°C to 150°C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . 300°C
(Lead Tips Only)
Operating Conditions
Temperature Range
ISL43L420IR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40°C to 85°C
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTES:
1. Signals on NC, NO, IN, or COM exceeding V+ or GND are clamped by internal diodes. Limit forward diode current to maximum current ratings.
2. JA is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
Electrical Specifications - 4.3V Supply
PARAMETER
Test Conditions: V+ = +3.9V to +4.5V, GND = 0V, VINH = 1.6V, VINL = 0.5V (Notes 3, 5),
Unless Otherwise Specified
TEST CONDITIONS
TEMP
(°C)
(NOTE 4)
MIN
TYP
(NOTE 4)
MAX
UNITS
Full
0
-
V+
V
25
-
0.25
0.45
Full
-
-
0.6
25
-
0.05
0.08
Full
-
-
0.09
25
-
0.05
0.15
Full
-
-
0.15
25
-50
-
50
nA
Full
-150
-
150
nA
25
-50
-
50
nA
Full
-150
-
150
nA
25
-
8
13
ns
Full
-
-
18
ns
25
-
5
10
ns
Full
-
-
15
ns
ANALOG SWITCH CHARACTERISTICS
Analog Signal Range, VANALOG
ON Resistance, RON
V+ = 3.9V, ICOM = 100mA, VNO or VNC = 0V to V+,
(See Figure 5)
RON Matching Between Channels,
RON
V+ = 3.9V, ICOM = 100mA, VNO or VNC = Voltage at
max RON, (Note 8)
RON Flatness, RFLAT(ON)
V+ = 3.9V, ICOM = 100mA, VNO or VNC = 0V to V+,
(Note 6)
NO or NC OFF Leakage Current,
INO(OFF) or INC(OFF)
V+ = 4.5V, VCOM = 0.3V, 3V, VNO or VNC = 3V, 0.3V
COM ON Leakage Current,
ICOM(ON)
V = 4.5V, VCOM = 0.3V, 3V, or VNO or VNC = 0.3V, 3V,
or Floating
DYNAMIC CHARACTERISTICS
Turn-ON Time, tON
Turn-OFF Time, tOFF
V+ = 3.9V, VNO or VNC = 1.5V, RL = 50, CL = 35pF,
(See Figure 1, Note 7)
V+ = 3.9V, VNO or VNC = 1.5V, RL = 50, CL = 35pF,
(See Figure 1, Note 7)
Break-Before-Make Time Delay, tD
V+ = 4.5V, VNO or VNC = 1.5V, RL = 50, CL = 35pF,
(See Figure 3, Note 7)
Full
2
3
-
ns
Charge Injection, Q
CL = 1.0nF, VG = 0V, RG = 0(See Figure 2)
25
-
-120
-
pC
OFF Isolation
RL = 50, CL = 5pF, f = 100kHz, VCOM = 1VRMS,
(See Figure 4)
25
-
68
-
dB
Crosstalk (Channel-to-Channel)
RL = 50, CL = 5pF, f = 100kHz, VCOM = 1VRMS,
(See Figure 6)
25
-
-98
-
dB
Total Harmonic Distortion
f = 20Hz to 20kHz, VCOM = 2VP-P, RL = 600
25
-
0.003
-
%
FN6098 Rev 1.00
February 18, 2005
Page 3 of 13
ISL43L420
Electrical Specifications - 4.3V Supply
Test Conditions: V+ = +3.9V to +4.5V, GND = 0V, VINH = 1.6V, VINL = 0.5V (Notes 3, 5),
Unless Otherwise Specified (Continued)
TEMP
(°C)
(NOTE 4)
MIN
TYP
NO or NC OFF Capacitance, COFF f = 1MHz, VNO or VNC = VCOM = 0V, (See Figure 7)
25
-
106
-
pF
f = 1MHz, VNO or VNC = VCOM = 0V, (See Figure 7)
25
-
212
-
pF
Full
1.1
-
4.5
V
25
-
-
0.06
A
Full
-
-
1.4
A
Input Voltage Low, VINL
Full
-
-
0.5
V
Input Voltage High, VINH
Full
1.6
-
-
V
Full
-0.5
-
0.5
A
PARAMETER
COM ON Capacitance, CCOM(ON)
TEST CONDITIONS
(NOTE 4)
MAX
UNITS
POWER SUPPLY CHARACTERISTICS
Power Supply Range
Positive Supply Current, I+
V+ =1.1V to 4.5V, VIN = 0V or V+
DIGITAL INPUT CHARACTERISTICS
Input Current, IINH, IINL
V+ = 4.5V, VIN = 0V or V+, (Note 7)
NOTES:
3. VIN = input voltage to perform proper function.
4. The algebraic convention, whereby the most negative value is a minimum and the most positive a maximum, is used in this data sheet.
5. Parts are 100% tested at +25°C. Limits across the full temperature range are guaranteed by design and correlation.
6. Flatness is defined as the difference between maximum and minimum value of on-resistance over the specified analog signal range.
7. Guaranteed but not tested.
8. RON matching between channels is calculated by subtracting the channel with the highest max RON value from the channel with lowest max
RON value, between NC1 and NC2, NC3 and NC4 or between NO1 and NO2, NO3 and NO4.
Electrical Specifications - 3V Supply
PARAMETER
Test Conditions: V+ = +2.7V to +3.3V, GND = 0V, VINH = 1.4V, VINL = 0.5V (Notes 3, 5),
Unless Otherwise Specified
TEST CONDITIONS
TEMP
(°C)
(NOTE 4)
MIN
TYP
(NOTE 4)
MAX
UNITS
Full
0
-
V+
V
25
-
0.3
0.45
Full
-
-
0.6
25
-
0.05
0.08
Full
-
-
0.09
25
-
0.06
0.15
Full
-
-
0.15
25
-
1.2
-
nA
Full
-
13
-
nA
25
-
1
-
nA
Full
-
35
-
nA
25
-
11
17
ns
Full
-
-
20
ns
25
-
8
14
ns
Full
-
-
17
ns
Full
2
3
-
ns
ANALOG SWITCH CHARACTERISTICS
Analog Signal Range, VANALOG
ON Resistance, RON
V+ = 2.7V, ICOM = 100mA, VNO or VNC = 0V to V+,
(See Figure 5)
RON Matching Between Channels,
RON
V+ = 2.7V, ICOM = 100mA, VNO or VNC = Voltage at
max RON, (Note 8)
RON Flatness, RFLAT(ON)
V+ = 2.7V, ICOM = 100mA, VNO or VNC = 0V to V+,
(Note 6)
NO or NC OFF Leakage Current,
INO(OFF) or INC(OFF)
V+ = 3.3V, VCOM = 0.3V, 3V, VNO or VNC = 3V, 0.3V
COM ON Leakage Current,
ICOM(ON)
V = 3.3V, VCOM = 0.3V, 3V, or VNO or VNC = 0.3V, 3V,
or Floating
DYNAMIC CHARACTERISTICS
Turn-ON Time, tON
Turn-OFF Time, tOFF
Break-Before-Make Time Delay, tD
FN6098 Rev 1.00
February 18, 2005
V+ = 2.7V, VNO or VNC = 1.5V, RL = 50, CL = 35pF,
(See Figure 1, Note 7)
V+ = 2.7V, VNO or VNC = 1.5V, RL = 50, CL = 35pF,
(See Figure 1, Note 7)
V+ = 3.3V, VNO or VNC = 1.5V, RL = 50, CL = 35pF,
(See Figure 3, Note 7)
Page 4 of 13
ISL43L420
Electrical Specifications - 3V Supply
PARAMETER
Test Conditions: V+ = +2.7V to +3.3V, GND = 0V, VINH = 1.4V, VINL = 0.5V (Notes 3, 5),
Unless Otherwise Specified (Continued)
TEST CONDITIONS
TEMP
(°C)
(NOTE 4)
MIN
TYP
(NOTE 4)
MAX
UNITS
Charge Injection, Q
CL = 1.0nF, VG = 0V, RG = 0, (See Figure 2)
25
-
-82
-
pC
OFF Isolation
RL = 50, CL = 5pF, f = 100kHz, VCOM = 1VRMS,
(See Figure 4)
25
-
68
-
dB
Crosstalk (Channel-to-Channel)
RL = 50, CL = 5pF, f = 100kHz, VCOM = 1VRMS,
(See Figure 6)
25
-
-98
-
dB
Total Harmonic Distortion
f = 20Hz to 20kHz, VCOM = 2VP-P, RL = 600
25
-
0.003
-
%
NO or NC OFF Capacitance, COFF f = 1MHz, VNO or VNC = VCOM = 0V, (See Figure 7)
25
-
106
-
pF
f = 1MHz, VNO or VNC = VCOM = 0V, (See Figure 7)
25
-
212
-
pF
25
-
23
-
nA
Full
-
720
-
nA
Input Voltage Low, VINL
Full
-
-
0.5
V
Input Voltage High, VINH
Full
1.4
-
-
V
Full
-0.5
-
0.5
A
COM ON Capacitance, CCOM(ON)
POWER SUPPLY CHARACTERISTICS
Positive Supply Current, I+
V+ = 3.6V, VIN = 0V or V+
DIGITAL INPUT CHARACTERISTICS
Input Current, IINH, IINL
V+ = 3.6V, VIN = 0V or V+, (Note 7)
Electrical Specifications - 1.8V Supply
PARAMETER
Test Conditions: V+ = +1.65V to +2V, GND = 0V, VINH = 1.0V, VINL = 0.4V (Notes 3, 5),
Unless Otherwise Specified
TEST CONDITIONS
TEMP
(°C)
(NOTE 4)
MIN
TYP
(NOTE 4)
MAX
UNITS
Full
0
-
V+
V
25
-
0.45
0.8
Full
-
-
0.85
25
-
18
23
ns
Full
-
-
25
ns
25
-
10
15
ns
Full
-
-
18
ns
ANALOG SWITCH CHARACTERISTICS
Analog Signal Range, VANALOG
ON Resistance, RON
V+ = 1.65V, ICOM = 100mA, VNO or VNC = 0V to V+,
(See Figure 5)
DYNAMIC CHARACTERISTICS
Turn-ON Time, tON
Turn-OFF Time, tOFF
V+ = 1.65V, VNO or VNC = 1.0V, RL = 50, CL = 35pF,
(See Figure 1, Note 7)
V+ = 1.65V, VNO or VNC = 1.0V, RL = 50, CL = 35pF,
(See Figure 1, Note 7)
Break-Before-Make Time Delay, tD
V+ = 2.0V, VNO or VNC = 1.0V, RL = 50, CL = 35pF,
(See Figure 3, Note 7)
Full
2
5
-
ns
Charge Injection, Q
CL = 1.0nF, VG = 0V, RG = 0, (See Figure 2)
25
-
-44
-
pC
OFF Isolation
RL = 50, CL = 5pF, f = 100kHz, VCOM = 1VRMS,
(See Figure 4)
25
-
68
-
dB
Crosstalk (Channel-to-Channel)
RL = 50, CL = 5pF, f = 100kHz, VCOM = 1VRMS,
(See Figure 6)
25
-
-98
-
dB
NO or NC OFF Capacitance, COFF f = 1MHz, VNO or VNC = VCOM = 0V, (See Figure 7)
25
-
106
-
pF
COM ON Capacitance, CCOM(ON)
25
-
212
-
pF
Input Voltage Low, VINL
Full
-
-
0.4
V
Input Voltage High, VINH
Full
1.0
-
-
V
Full
-0.5
-
0.5
A
f = 1MHz, VNO or VNC = VCOM = 0V, (See Figure 7)
DIGITAL INPUT CHARACTERISTICS
Input Current, IINH, IINL
FN6098 Rev 1.00
February 18, 2005
V+ = 2.0V, VIN = 0V or V+, (Note 7)
Page 5 of 13
ISL43L420
Electrical Specifications - 1.1V Supply
PARAMETER
Test Conditions: V+ = +1.1V, GND = 0V, VINH = 1.0V, VINL = 0.3V (Note 3), Unless
Otherwise Specified
TEST CONDITIONS
TEMP
(°C)
(NOTE 4)
MIN
Full
(NOTE 4)
MAX
UNITS
TYP
ANALOG SWITCH CHARACTERISTICS
Analog Signal Range, VANALOG
0
-
V+
V
V+ = 1.1V, ICOM = 100mA, VNO or VNC = 0V to V+,
(See Figure 5)
25
-
2.5
-
Full
-
3.1
-
V+ = 1.1V, VNO or VNC = 1.0V, RL = 50, CL = 35pF,
(See Figure 1, Note 7)
25
-
30
-
ns
Full
-
35
-
ns
V+ = 1.1V, VNO or VNC = 1.0V, RL = 50, CL = 35pF,
(See Figure 1, Note 7)
25
-
15
-
ns
Full
-
20
-
ns
Full
-
4
-
ns
Input Voltage Low, VINL
Full
-
0.3
-
V
Input Voltage High, VINH
Full
-
0.6
-
V
Full
-
0.5
-
A
25
-
-
0.02
A
Full
-
-
0.6
A
ON Resistance, RON
DYNAMIC CHARACTERISTICS
Turn-ON Time, tON
Turn-OFF Time, tOFF
Break-Before-Make Time Delay, tD
V+ = 1.1V, VNO or VNC = 1.0V, RL = 50, CL = 35pF,
(See Figure 3, Note 7)
DIGITAL INPUT CHARACTERISTICS
Input Current, IINH, IINL
V+ = 1.1V, VIN = 0V or V+, (Note 7)
POWER SUPPLY CHARACTERISTICS
Positive Supply Current, I+
V+ = 1.1V, VIN = 0V or V+
Test Circuits and Waveforms
V+
V+
LOGIC
INPUT
tr < 5ns
tf < 5ns
50%
0V
tOFF
SWITCH
INPUT VNO
SWITCH
INPUT
VOUT
NO or NC
COM
IN
VOUT
90%
SWITCH
OUTPUT
C
90%
LOGIC
INPUT
RL
50
GND
CL
35pF
0V
tON
Logic input waveform is inverted for switches that have the opposite
logic sense.
Repeat test for all switches. CL includes fixture and stray
capacitance.
RL
V OUT = V (NO or NC) -----------------------------R L + R ON
FIGURE 1A. MEASUREMENT POINTS
FIGURE 1B. TEST CIRCUIT
FIGURE 1. SWITCHING TIMES
FN6098 Rev 1.00
February 18, 2005
Page 6 of 13
ISL43L420
Test Circuits and Waveforms (Continued)
V+
SWITCH
OUTPUT
VOUT
RG
VOUT
V+
ON
ON
LOGIC
INPUT
OFF
C
VG
VOUT
COM
NO or NC
GND
IN
0V
CL
LOGIC
INPUT
Q = VOUT x CL
FIGURE 2A. MEASUREMENT POINTS
FIGURE 2B. TEST CIRCUIT
FIGURE 2. CHARGE INJECTION
V+
V+
NO
VNX
LOGIC
INPUT
C
VOUT
COM
NC
0V
RL
50
IN
SWITCH
OUTPUT
VOUT
90%
0V
tD
CL
35pF
GND
LOGIC
INPUT
CL includes fixture and stray capacitance.
FIGURE 3A. MEASUREMENT POINTS
FIGURE 3B. TEST CIRCUIT
FIGURE 3. BREAK-BEFORE-MAKE TIME
V+
V+
C
C
RON = V1/100mA
SIGNAL
GENERATOR
NO or NC
NO or NC
VNX
IN
0V or V+
IN
V1
0V or V+
COM
COM
ANALYZER
1mA
GND
GND
RL
FIGURE 4. OFF ISOLATION TEST CIRCUIT
FN6098 Rev 1.00
February 18, 2005
FIGURE 5. RON TEST CIRCUIT
Page 7 of 13
ISL43L420
Test Circuits and Waveforms (Continued)
V+
C
V+
C
SIGNAL
GENERATOR
NO or NC
COM
50
NO or NC
IN1
IN
0V or V+
COM
ANALYZER
0V or V+
IMPEDANCE
ANALYZER
RL
NC or NO
COM
N.C.
GND
GND
FIGURE 6. CROSSTALK TEST CIRCUIT
FIGURE 7. CAPACITANCE TEST CIRCUIT
Detailed Description
The ISL43L420 is a bidirectional, quad single pole/double
throw (SPDT) analog switch that offers precise switching
capability from a single 1.1V to 4.5V supply with low onresistance (0.24) and high speed operation (tON = 8ns, tOFF
= 5ns). The device is especially well suited for portable battery
powered equipment due to its low operating supply voltage
(1.1V), low power consumption (2.7W max), low leakage
currents (150nA max), and the tiny QFN package. The ultra low
on-resistance and RON flatness provide very low insertion loss
and distortion to applications that require signal reproduction.
approach, but the switch signal range is reduced and the
resistance may increase, especially at low supply voltages.
OPTIONAL PROTECTION
DIODE
V+
OPTIONAL
PROTECTION
RESISTOR
INX
VNO or NC
VCOM
Supply Sequencing and Overvoltage Protection
With any CMOS device, proper power supply sequencing is
required to protect the device from excessive input currents
which might permanently damage the IC. All I/O pins contain
ESD protection diodes from the pin to V+ and to GND (See
Figure 8). To prevent forward biasing these diodes, V+ must be
applied before any input signals, and the input signal voltages
must remain between V+ and GND. If these conditions cannot
be guaranteed, then one of the following two protection
methods should be employed.
Logic inputs can easily be protected by adding a 1k resistor
in series with the input (See Figure 8). The resistor limits the
input current below the threshold that produces permanent
damage, and the sub-microamp input current produces an
insignificant voltage drop during normal operation.
This method is not acceptable for the signal path inputs.
Adding a series resistor to the switch input defeats the purpose
of using a low RON switch, so two small signal diodes can be
added in series with the supply pins to provide overvoltage
protection for all pins (See Figure 8). These additional diodes
limit the analog signal from 1V below V+ to 1V above GND.
The low leakage current performance is unaffected by this
FN6098 Rev 1.00
February 18, 2005
GND
OPTIONAL PROTECTION
DIODE
FIGURE 8. OVERVOLTAGE PROTECTION
Power-Supply Considerations
The ISL43L420 construction is typical of most single supply
CMOS analog switches, in that they have two supply pins: V+
and GND. V+ and GND drive the internal CMOS switches and
set their analog voltage limits. Unlike switches with a 4V
maximum supply voltage, the ISL43L420 4.7V maximum
supply voltage provides plenty of room for the 10% tolerance of
4.3V supplies, as well as room for overshoot and noise spikes.
The minimum recommended supply voltage is 1.1V. It is
important to note that the input signal range, switching times,
and on-resistance degrade at lower supply voltages. Refer to
the electrical specification tables and Typical Performance
curves for details.
V+ and GND also power the internal logic and level shifters.
The level shifters convert the input logic levels to switched V+
and GND signals to drive the analog switch gate terminals.
Page 8 of 13
ISL43L420
This family of switches cannot be operated with bipolar
supplies, because the input switching point becomes negative
in this configuration.
Logic-Level Thresholds
This switch family is 1.8V CMOS compatible (0.5V and 1.4V)
over a supply range of 2.0V to 3.6V (See Figure 16). At 3.6V
the VIH level is about 1.27V. This is still below the 1.8V CMOS
guaranteed high output minimum level of 1.4V, but noise
margin is reduced.
The digital input stages draw supply current whenever the
digital input voltage is not at one of the supply rails. Driving the
digital input signals from GND to V+ with a fast transition time
minimizes power dissipation.
High-Frequency Performance
In 50 systems, the signal response is reasonably flat even
past 30MHz with a -3dB bandwidth of 104MHz (See Figure 19).
The frequency response is very consistent over a wide V+
range, and for varying analog signal levels.
An OFF switch acts like a capacitor and passes higher
frequencies with less attenuation, resulting in signal
feedthrough from a switch’s input to its output. Off Isolation is
the resistance to this feedthrough, while Crosstalk indicates the
amount of feedthrough from one switch to another. Figure 20
Typical Performance Curves
details the high Off Isolation and Crosstalk rejection provided
by this part. At 100kHz, Off Isolation is about 68dB in 50
systems, decreasing approximately 20dB per decade as
frequency increases. Higher load impedances decrease Off
Isolation and Crosstalk rejection due to the voltage divider
action of the switch OFF impedance and the load impedance.
Leakage Considerations
Reverse ESD protection diodes are internally connected between
each analog-signal pin and both V+ and GND. One of these
diodes conducts if any analog signal exceeds V+ or GND.
Virtually all the analog leakage current comes from the ESD
diodes to V+ or GND. Although the ESD diodes on a given
signal pin are identical and therefore fairly well balanced, they
are reverse biased differently. Each is biased by either V+ or
GND and the analog signal. This means their leakages will
vary as the signal varies. The difference in the two diode
leakages to the V+ and GND pins constitutes the analogsignal-path leakage current. All analog leakage current flows
between each pin and one of the supply terminals, not to the
other switch terminal. This is why both sides of a given switch
can show leakage currents of the same or opposite polarity.
There is no connection between the analog signal paths and
V+ or GND.
TA = 25°C, Unless Otherwise Specified
0.31
3
ICOM = 100mA
0.3
ICOM = 100mA
0.29
2.5
V+ = 2.7V
0.28
0.27
2
V+ = 3V
RON ()
RON ()
0.26
0.25
0.24
V+ = 3.6V
V+ = 1.1V
1.5
0.23
1
0.22
V+ = 1.5V
0.21
V+ = 4.3V
0.2
0.5
0.19
V+ = 1.8V
0
0.18
0
1
2
3
4
VCOM (V)
FIGURE 9. ON RESISTANCE vs SUPPLY VOLTAGE vs
SWITCH VOLTAGE
FN6098 Rev 1.00
February 18, 2005
5
0
0.5
V+ = 1.65V
1
VCOM (V)
1.5
FIGURE 10. ON RESISTANCE vs SUPPLY VOLTAGE vs
SWITCH VOLTAGE
Page 9 of 13
2
ISL43L420
Typical Performance Curves
TA = 25°C, Unless Otherwise Specified (Continued)
0.28
0.35
V+ = 4.3V
ICOM = 100mA
0.26
0.3
0.24
85°C
85°C
0.22
RON ()
RON ()
V+ = 2.7V
ICOM = 100mA
0.2
0.25
25°C
25°C
0.18
0.2
-40°C
0.16
-40°C
0.14
0
1
2
3
4
0.15
5
0
0.5
1
1.5
VCOM (V)
VCOM (V)
FIGURE 11. ON RESISTANCE vs SWITCH VOLTAGE
2
2.5
FIGURE 12. ON RESISTANCE vs SWITCH VOLTAGE
3.5
0.5
V+ = 1.8V
ICOM = 100mA
0.45
3
V+ = 1.1V
ICOM = 100mA
-40°C
3
85°C
25°C
2.5
RON ()
RON ()
0.4
0.35
0.3
2
1.5
85°C
1
25°C
-40°C
0.25
0.2
0.5
0
0
0.5
1
1.5
2
0
0.2
0.4
0.6
VCOM (V)
0.8
1
1.2
VCOM (V)
FIGURE 13. ON RESISTANCE vs SWITCH VOLTAGE
FIGURE 14. ON RESISTANCE vs SWITCH VOLTAGE
1.5
50
1.4
1.3
1.2
VINH AND VINL (V)
0
Q (pC)
V+ = 1.8V
V+ = 3V
-50
-100
1.1
VINH
1
0.9
0.8
VINL
0.7
0.6
0.5
0.4
-150
0
0.5
1
1.5
2
2.5
VCOM (V)
FIGURE 15. CHARGE INJECTION vs SWITCH VOLTAGE
FN6098 Rev 1.00
February 18, 2005
3
0.3
1
1.5
2
2.5
3
3.5
4
4.5
V+ (V)
FIGURE 16. DIGITAL SWITCHING POINT vs SUPPLY VOLTAGE
Page 10 of 13
ISL43L420
Typical Performance Curves
TA = 25°C, Unless Otherwise Specified (Continued)
20
50
40
30
85°C
-40°C
10
0
25°C
1
1.5
5
2
2.5
3
V+ (V)
3.5
4
0
4.5
GAIN
0
20
40
60
80
RL = 50
VIN = 0.2VP-P to 2VP-P
100
10
100
FREQUENCY (MHz)
CROSSTALK (dB)
-20
PHASE (DEGREES)
NORMALIZED GAIN (dB)
-10
PHASE
1.5
1
2.5
3
V+ (V)
3.5
4
4.5
-20
20
-30
30
-40
40
-50
50
60
-60
ISOLATION
70
-70
80
-80
CROSSTALK
-90
90
100
-100
-110
1K
600
10
V+ = 3V
FIGURE 19. FREQUENCY RESPONSE
10K
100K
1M
10M
FREQUENCY (Hz)
110
100M 500M
FIGURE 20. CROSSTALK AND OFF ISOLATION
100
50
V+ = 4.5V
V+ = 4.5V
VCOM = 0.3V
50
0
0
iOFF (nA)
iON (nA)
2
FIGURE 18. TURN-OFF TIME vs SUPPLY VOLTAGE
V+ = 3V
1
25°C
-40°C
FIGURE 17. TURN-ON TIME vs SUPPLY VOLTAGE
0
85°C
10
OFF ISOLATION (dB)
20
tOFF (ns)
tON (ns)
15
25°C
-50
25°C
-50
85°C
-100
85°C
-100
0
1
2
3
VCOM/NX (V)
4
FIGURE 21. ON LEAKAGE vs SWITCH VOLTAGE
FN6098 Rev 1.00
February 18, 2005
5
-150
0
1
2
3
4
VNX (V)
FIGURE 22. OFF LEAKAGE vs SWITCH VOLTAGE
Page 11 of 13
5
ISL43L420
Die Characteristics
SUBSTRATE POTENTIAL (POWERED UP):
GND (QFN Paddle Connection: To Ground or Float)
TRANSISTOR COUNT: TBD
228
PROCESS:
Si Gate CMOS
© Copyright Intersil Americas LLC 2004-2005. All Rights Reserved.
All trademarks and registered trademarks are the property of their respective owners.
For additional products, see www.intersil.com/en/products.html
Intersil products are manufactured, assembled and tested utilizing ISO9001 quality systems as noted
in the quality certifications found at www.intersil.com/en/support/qualandreliability.html
Intersil products are sold by description only. Intersil may modify the circuit design and/or specifications of products at any time without notice, provided that such
modification does not, in Intersil's sole judgment, affect the form, fit or function of the product. Accordingly, the reader is cautioned to verify that datasheets are
current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its
subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Intersil or its subsidiaries.
For information regarding Intersil Corporation and its products, see www.intersil.com
FN6098 Rev 1.00
February 18, 2005
Page 12 of 13
ISL43L420
Quad Flat No-Lead Plastic Package (QFN)
Micro Lead Frame Plastic Package (MLFP)
L16.3x3
16 LEAD QUAD FLAT NO-LEAD PLASTIC PACKAGE
2X
MILLIMETERS
0.15 C A
D
A
9
D/2
D1
D1/2
2X
N
6
INDEX
AREA
0.15 C B
1
2
3
E1/2
E
9
TOP VIEW
A2
A
A3
SIDE VIEW
4X P
9
-
0.05
-
A2
-
-
1.00
9
A3
0.20 REF
0.18
-
D1
2.75 BSC
9
1.35
1.65
7, 8, 10
-
2.75 BSC
1.35
1.50
9
1.65
7, 8, 10
0.50 BSC
-
k
0.20
-
-
-
L
0.30
0.40
0.50
8
N
16
2
Nd
4
3
-
0.60
NX k
-
-
12
4
3
9
9
Rev. 1 6/04
NOTES:
1
(DATUM A)
2
3
6
INDEX
AREA
NX L
N e
1. Dimensioning and tolerancing conform to ASME Y14.5-1994.
(Ne-1)Xe
REF.
E2
E2/2
2. N is the number of terminals.
7
3. Nd and Ne refer to the number of terminals on each D and E.
8
4. All dimensions are in millimeters. Angles are in degrees.
5. Dimension b applies to the metallized terminal and is measured
between 0.15mm and 0.30mm from the terminal tip.
9
CORNER
OPTION 4X
(Nd-1)Xe
REF.
6. The configuration of the pin #1 identifier is optional, but must be
located within the zone indicated. The pin #1 identifier may be
either a mold or mark feature.
BOTTOM VIEW
A1
7. Dimensions D2 and E2 are for the exposed pads which provide
improved electrical and thermal performance.
NX b
5
8. Nominal dimensions are provided to assist with PCB Land
Pattern Design efforts, see Intersil Technical Brief TB389.
SECTION "C-C"
C
L
9. Features and dimensions A2, A3, D1, E1, P & are present when
Anvil singulation method is used and not present for saw
singulation.
C
L
L
e
FN6098 Rev 1.00
February 18, 2005
1.50
3.00 BSC
-
10
5, 8
3.00 BSC
P
D2
2 N
FOR ODD TERMINAL/SIDE
0.30
D
Ne
7
L1
0.23
9
8
4X P
C C
1.00
-
0.10 M C A B
D2
(DATUM B)
A1
5
NX b
8
0.90
-
e
0.08 C
SEATING PLANE
0.80
E1
/ / 0.10 C
C
NOTES
A
E2
0
4X
B
MAX
A1
E
0.15 C B
0.15 C A
NOMINAL
D2
2X
2X
MIN
b
E/2
E1
SYMBOL
L1
10
L
10. Compliant to JEDEC MO-220VEED-2 Issue C, except for the E2
and D2 MAX dimension.
e
TERMINAL TIP
FOR EVEN TERMINAL/SIDE
Page 13 of 13